The grade point averages (GPA) for 12 randomly selected college students are shown on the right. Complete parts (a) through (e) below. 23 Assume the population is normaly distributed. 2.1 04 3.5 a) Find the sample mean E Round to two decimal places as needed.) b) Find the sample standard deviation - Round to two decimal places as needed.) de) Construct a 95% confidence interval for the population mean y A 95% contidence interval for the population mean is (OD (Round to two decimal places as needed.)

Q: 国 7.

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.